Bump github.com/arran4/golang-ical from 0.2.7 to 0.2.8 (#64)

Bumps [github.com/arran4/golang-ical](https://github.com/arran4/golang-ical) from 0.2.7 to 0.2.8.
- [Release notes](https://github.com/arran4/golang-ical/releases)
- [Commits](arran4/golang-ical@v0.2.7...v0.2.8)

---
updated-dependencies:
- dependency-name: github.com/arran4/golang-ical
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/GoogleCloudPlatform/functions-framework-go v1.8.1
-	github.com/arran4/golang-ical v0.2.7
+	github.com/arran4/golang-ical v0.2.8
 	github.com/mmcdole/gofeed v1.3.0
 	github.com/stretchr/testify v1.9.0
 )

go.sum

@@ -778,8 +778,8 @@ github.com/apache/arrow/go/v10 v10.0.1/go.mod h1:YvhnlEePVnBS4+0z3fhPfUy7W1Ikj0I
 github.com/apache/arrow/go/v11 v11.0.0/go.mod h1:Eg5OsL5H+e299f7u5ssuXsuHQVEGC4xei5aX110hRiI=
 github.com/apache/arrow/go/v12 v12.0.0/go.mod h1:d+tV/eHZZ7Dz7RPrFKtPK02tpr+c9/PEd/zm8mDS9Vg=
 github.com/apache/thrift v0.16.0/go.mod h1:PHK3hniurgQaNMZYaCLEqXKsYK8upmhPbmdP2FXSqgU=
-github.com/arran4/golang-ical v0.2.7 h1:VO7YlVaGupZE15aj6NhUhte/MIfZuoIzkoI71VsG6Gg=
-github.com/arran4/golang-ical v0.2.7/go.mod h1:RqMuPGmwRRwjkb07hmm+JBqcWa1vF1LvVmPtSZN2OhQ=
+github.com/arran4/golang-ical v0.2.8 h1:8lsFcfQqzg0gBpIxq7fWr4RV+8SVENLMXpSic5xsFUs=
+github.com/arran4/golang-ical v0.2.8/go.mod h1:RqMuPGmwRRwjkb07hmm+JBqcWa1vF1LvVmPtSZN2OhQ=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=